Methodology of agricultural and chemical investigations in experiments with oil crops (report II. Experiments with sunflower)

There are stated methodic peculiarities of investigations in field experiments with sunflower. The basic elements of the methodology of a field experiment are described. There are presented observations and accounts in the field experiments with sunflower: plant structure, growth, and development; phenology and biometrics; the diagnostic of mineral nutrition for sunflower; methods of observations of sunflower sowings to detect diseases and pests; the determination of elements of yield structure; analytic observations in laboratory; yield account and the calculation of the consumption of nutrients, oil and protein yields, and seed yield. The article is based on a published book “Methodology of agricultural and chemical investigations in experiments with oil crops” by Lukomets V.M., Tishkov N.M., and Semerenko S.A. (Krasnodar, 2022).